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Finding the Fourth Proportional to 99,750.69, 149,576.22 and 33,167.48

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Solution

The fourth proportional to 99,750.69, 149,576.22 and 33,167.48 is: 49,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,750.69 : 149,576.22 = 33,167.48 : x
  2. Step 2: Convert to fraction form
    99,750.69/149,576.22 = 33,167.48/x
  3. Step 3: Cross multiply
    99,750.69x = 149,576.22 × 33,167.48
  4. Step 4: Simplify right side
    99,750.69x = 4,961,065,537.44
  5. Step 5: Solve for x
    x = 4,961,065,537.44/99,750.69
  6. Step 6: Final answer
    x = 49,734.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.